Instructions

Mix very soft cream cheese and powdered sugar together until smooth and creamy. Add vanilla and blend in well. On low speed, add Cool Whip; then beat on medium speed until fluffy and being to get thicker.
Spoon into shortbread pie crust. Cover and refrigerate several hours.
Just before serving, add a decorative border of strawberry or cherry pie filling.
Cut, and serve with additional Cool Whip if desired.